Question

Replacing the maximum value of the data set with a smaller
number will also change the mean.

Answer 1

Yes

Explanation:

for examples 123 the mean is 2 if you replace to 122 you have a mean always smaller in this example is 2.5

Answer 2

True

Explanation:

If you change the value of a number in the data set, then you will change the sum of the numbers in the data set, therefore changing the mean.